Attempt to make Travis green (#2)

Fixes #1

Author: mxcl

.travis.yml

@@ -2,11 +2,6 @@ os: osx
 language: objective-c
 matrix:
   include:
-    - {osx_image: xcode8.3,   env: 'PLAT=iOS      SWFT=3.1  DST="OS=10.3.1,name=iPhone SE"'}
-    - {osx_image: xcode8.3,   env: 'PLAT=tvOS     SWFT=3.1  DST="OS=10.2,name=Apple TV 1080p"'}
-    - {osx_image: xcode8.3,   env: 'PLAT=watchOS  SWFT=3.1  DST="OS=3.2,name=Apple Watch - 38mm"'}
-                                                            
-    - {osx_image: xcode9.2,   env: 'PLAT=iOS      SWFT=3.2  DST="OS=11.2,name=iPhone SE"'}
     - {osx_image: xcode9.2,   env: 'PLAT=tvOS     SWFT=3.2  DST="OS=11.2,name=Apple TV"'}
     - {osx_image: xcode9.2,   env: 'PLAT=watchOS  SWFT=3.2  DST="OS=4.2,name=Apple Watch - 38mm"'}
 
@@ -18,11 +13,9 @@ matrix:
     - {osx_image: xcode10,   env: 'PLAT=tvOS      SWFT=3.4  DST="OS=12.0,name=Apple TV"'}
     - {osx_image: xcode10,   env: 'PLAT=watchOS   SWFT=3.4  DST="OS=5.0,name=Apple Watch Series 3 - 42mm"'}
 
-    - {osx_image: xcode9.2,   env: 'PLAT=iOS      SWFT=4.0  DST="OS=11.2,name=iPhone SE"'}
     - {osx_image: xcode9.2,   env: 'PLAT=tvOS     SWFT=4.0  DST="OS=11.2,name=Apple TV"'}
     - {osx_image: xcode9.2,   env: 'PLAT=watchOS  SWFT=4.0  DST="OS=4.2,name=Apple Watch - 38mm"'}
 
-    - {osx_image: xcode9.3,  env: 'PLAT=iOS       SWFT=4.1  DST="OS=10.3.1,name=iPhone SE"'}
     - {osx_image: xcode9.4,  env: 'PLAT=iOS       SWFT=4.1  DST="OS=11.4,name=iPhone 5s" TEST=1'}
     - {osx_image: xcode9.3,  env: 'PLAT=tvOS      SWFT=4.1  DST="OS=10.2,name=Apple TV 1080p"'}
     - {osx_image: xcode9.4,  env: 'PLAT=tvOS      SWFT=4.1  DST="OS=11.4,name=Apple TV" TEST=1'}

README.markdown

@@ -2,6 +2,11 @@
 
 This project adds promises to Apple’s HomeKit framework.
 
+* Xcode >= 9.3 required for iOS
+* Xcode >= 9.0 required for all other platforms
+
+Thus, Swift versions supported are: 3.2, 3.3, 3.4, 4.0, 4.1 & 4.2.
+
 ## CocoaPods
 
 Not currently available

Tests/HMAccessoryBrowserTests.swift

@@ -11,6 +11,8 @@ import PromiseKit
 import HomeKit
 @testable import PMKHomeKit
 
+#if os(iOS)
+
 class HMAccessoryBrowserTests: XCTestCase {
 
     func testBrowserScanReturningFirst() {
@@ -78,3 +80,5 @@ func swizzle(_ foo: AnyClass, _ from: Selector, isClassMethod: Bool = false, bod
     body()
     method_exchangeImplementations(swizzledMethod, originalMethod)
 }
+
+#endif